NEW YORK - An appeal by nine food flavoring workers of a bankruptcy court order dismissing their diacetyl exposure personal injury claims against Chemtura Corp. was denied Feb. 10 in the U.S. District Court for the Southern District of New York; the appellants failed to file claim notices by the bankruptcy court deadline, and the claims were discharged, according to the presiding judge (In re Chemtura Corp., No. 13-2023, S.D. N.Y).